Elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like



FIG. 1 is a perspective view of an elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like, showing my new design; and

FIG. 2 is a perspective view thereof from the side opposite that visible in FIG. 1. 

The ornamental design for an elastic frame for fireproof feed-through of electric cables in walls of concrete or rock or the like, as shown. 